BackTime.528
Description BackTime.528
This is a dangerous memory-resident virus. It hooks INT 8 (timer), and INT 21h and hits COM files by a standard way when they are executed.
The virus contains the text "BackTime". This virus sets the system timer in back direction: when the INT 8 is called the virus decrements the content of timer counter. At a result the programs that uses the timer characteristics of computer (like a BenchMarks) are hang-up.
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Lamour.2461
Description Lamour.2461
It is a very dangerous memory resident parasitic polymorphic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed, opened or accessed with FindFirst/Next DOS calls (both FCB and ASCII formats).
The virus has bugs and may halt the system while installing or while infecting files. On September 19th it erases the hard drive sectors. It contains the text string:
L'AMOUR v2.0 designed by NTUBL (National
Taiwan University Bacteriophage Lab)
Lapidario.766
Description Lapidario.766
These are very dangerous nonmemory resident encrypted parasitic viruses. They search for .COM files except COMMAND.COM, and write themselves to the end of the file. Then the viruses delete the CHKLIST.MS file. On 18th of any month the viruses erase the disk sectors, and display the messages:
"Lapidario.766,768": Lapidario - V1.0 - Argentina 1993 -
"Lapidario.787": Lapidario - Argentina 1993 -
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